Gear Oil GL-4
Automotive gear lubricants

Gear Oil GL-4 are are designed for use in automotive transmissions, transaxles, steering systems and hypoid drive axles which require a fluid with API GL-4 performance (equivalent to US Military specification MIL-L-2105).
The friction characteristics of the Gear Oil GL-4 product range make them suitable for use in many synchronized manual transmissions.
Some modern transmissions may require a specific fluid type – refer to the manufacturers’ literature for further details.
Caltex Gear Oil GL-4 delivers value through:
Good gear life
Extreme pressure properties protect hypoid and other types of gears from scuffing and wear.
Rust and corrosion protection
Effective inhibitor package protects against rusting or corrosion of gear and bearing surfaces.
Market general performance
Acceptable thermal and oxidation stability allows for appropriate gear protection in non-critical operations.
Good lubricant life
Outstanding thermal and oxidation stability allow high temperature operation with long lubricant life.
Seal protection
Formulated to protect against oil seal deterioration.
Gear Oil GL-4 meets the requirements of:
- API Service Categories GL-4